Specification AgeRangeDescription : Adult BikeType : Recumbent Bike Brand : Generic BulletPoint1 : GOOD WEAR AND HEAT RESISTANCE: HT250 gray iron material, possess good strength, wear resistance, heat resistance, good vibration damping, and excellent casting performance BulletPoint2 : ACCURATE POLISHING: Gears are milled using pricing milling technology to ensure high accuracy, you can use with confidence BulletPoint3 : GOOD QUALITY METAL MATERIAL: Made of good quality metal material, the surface of the gear is rust proofed, which is BulletPoint4 : 6 KINDS OF SPECIFICATIONS: there are 6 kinds of specifications for you to use, useful and practical to meet different using needs BulletPoint5 : EXTENSIVE COMPATIBILITY: CJ0618 gear is compatible with micro lathes and metal cutting machines, very applicable Color : #311 ExternallyAssignedProductIdentifier : 7350879355477 ExternallyAssignedProductIdentifier1 : 0739466249929 ExternallyAssignedProductIdentifier2 : 739466249929 ItemName : Mini Lathe Gears, Cutting Machine Gear 9Pcs High Accuracy 2xT60 2xT50 1xT45 2xT40 1xT35 1xT30 for Micro Lathes ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : worm-gears Manufacturer : Generic ModelName : ChengyuWeidmkaeszgxr ModelNumber : Genericdwtzfmnc3v NumberOfItems : 1 NumberOfSpeeds : 5 PartNumber : Genericdwtzfmnc3v ProductDescription : 1. GOOD QUALITY METAL MATERIAL: Made of good quality metal material, the surface of the gear is rust proofed, which is 2. ACCURATE POLISHING: Gears are milled using pricing milling technology to ensure high accuracy, you can use with confidence 3. EXTENSIVE COMPATIBILITY: CJ0618 gear is compatible with micro lathes and metal cutting machines, very applicable 4. 6 KINDS OF SPECIFICATIONS: there are 6 kinds of specifications for you to use, useful and practical to meet different using needs 5. GOOD WEAR AND HEAT RESISTANCE: HT250 gray iron material, possess good strength, wear resistance, heat resistance, good vibration damping, and excellent casting performance